From fcba12d7ae3cdb361c6321519fdaf5a537a6a871 Mon Sep 17 00:00:00 2001
From: bndw <ben@bdw.to>
Date: Fri, 13 Feb 2026 17:52:42 -0800
Subject: feat: testclient can accept JSON events from stdin

Usage:
- Standalone: ./bin/testclient (generates event)
- With nak: nak event "hello" | ./bin/testclient

Compatible with nak CLI for easy event generation
---
 README.md              | 18 ++++++++++++++--
 cmd/testclient/main.go | 57 ++++++++++++++++++++++++++++++++++++--------------
 2 files changed, 57 insertions(+), 18 deletions(-)

diff --git a/README.md b/README.md
index f3d961a..142b0f1 100644
--- a/README.md
+++ b/README.md
@@ -31,8 +31,8 @@ The relay will start listening on `:50051` (gRPC).
 
 ### Test with Client
 
+**Standalone mode:**
 ```bash
-# In another terminal:
 ./bin/testclient
 
 # Output:
@@ -40,10 +40,24 @@ The relay will start listening on `:50051` (gRPC).
 # Publishing event...
 # ✓ Event published successfully: abc123...
 # Querying events...
-# Found 1 events
+# Found 1 events from author abc123...
 #   - abc123...: Hello from gRPC client!
 ```
 
+**With nak CLI:**
+```bash
+# Pipe events from nak
+nak event "Hello from nak!" | ./bin/testclient
+
+# Or generate a signed event
+nak event --sec <nsec> --kind 1 "My message" | ./bin/testclient
+
+# Output:
+# Read event from stdin: abc123...
+# Publishing event...
+# ✓ Event published successfully: abc123...
+```
+
 ## gRPC API
 
 See [proto/nostr/v1/nostr.proto](proto/nostr/v1/nostr.proto) for the full API.
diff --git a/cmd/testclient/main.go b/cmd/testclient/main.go
index 571751e..224d9d9 100644
--- a/cmd/testclient/main.go
+++ b/cmd/testclient/main.go
@@ -2,8 +2,11 @@ package main
 
 import (
 	"context"
+	"encoding/json"
 	"flag"
+	"io"
 	"log"
+	"os"
 	"time"
 
 	"google.golang.org/grpc"
@@ -26,23 +29,45 @@ func main() {
 	client := pb.NewNostrRelayClient(conn)
 	ctx := context.Background()
 
-	key, err := nostr.GenerateKey()
-	if err != nil {
-		log.Fatalf("failed to generate key: %v", err)
-	}
+	var event *nostr.Event
+
+	stat, _ := os.Stdin.Stat()
+	if (stat.Mode() & os.ModeCharDevice) == 0 {
+		data, err := io.ReadAll(os.Stdin)
+		if err != nil {
+			log.Fatalf("failed to read stdin: %v", err)
+		}
+
+		event = &nostr.Event{}
+		if err := json.Unmarshal(data, event); err != nil {
+			log.Fatalf("failed to parse JSON event: %v", err)
+		}
+
+		log.Printf("Read event from stdin: %s", event.ID[:16])
+	} else {
+		key, err := nostr.GenerateKey()
+		if err != nil {
+			log.Fatalf("failed to generate key: %v", err)
+		}
+
+		log.Printf("Generated key: %s", key.Npub())
 
-	log.Printf("Generated key: %s", key.Npub())
+		event = &nostr.Event{
+			PubKey:    key.Public(),
+			CreatedAt: time.Now().Unix(),
+			Kind:      1,
+			Tags:      nostr.Tags{},
+			Content:   "Hello from gRPC client!",
+		}
 
-	event := &nostr.Event{
-		PubKey:    key.Public(),
-		CreatedAt: time.Now().Unix(),
-		Kind:      1,
-		Tags:      nostr.Tags{},
-		Content:   "Hello from gRPC client!",
+		if err := key.Sign(event); err != nil {
+			log.Fatalf("failed to sign event: %v", err)
+		}
 	}
 
-	if err := key.Sign(event); err != nil {
-		log.Fatalf("failed to sign event: %v", err)
+	tags := make([]*pb.Tag, len(event.Tags))
+	for i, tag := range event.Tags {
+		tags[i] = &pb.Tag{Values: tag}
 	}
 
 	pbEvent := &pb.Event{
@@ -50,7 +75,7 @@ func main() {
 		Pubkey:    event.PubKey,
 		CreatedAt: event.CreatedAt,
 		Kind:      int32(event.Kind),
-		Tags:      []*pb.Tag{},
+		Tags:      tags,
 		Content:   event.Content,
 		Sig:       event.Sig,
 	}
@@ -71,14 +96,14 @@ func main() {
 	log.Println("Querying events...")
 	queryResp, err := client.QueryEvents(ctx, &pb.QueryRequest{
 		Filters: []*pb.Filter{
-			{Authors: []string{key.Public()}},
+			{Authors: []string{event.PubKey}},
 		},
 	})
 	if err != nil {
 		log.Fatalf("failed to query: %v", err)
 	}
 
-	log.Printf("Found %d events", len(queryResp.Events))
+	log.Printf("Found %d events from author %s", len(queryResp.Events), event.PubKey[:16])
 	for _, e := range queryResp.Events {
 		log.Printf("  - %s: %s", e.Id[:16], e.Content)
 	}
-- 
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